A pH of 15.0

a. is not possible.

b. is a base.

c. is an acid.

d. is a neutral.

What is the name of the element of atomic no 114

657 g of 2-chloro-2,4-dimethylpentane (g/mol = 134.65) is generated from a reaction between 2,4-dimethyl-2-pentanol (g/mol = 116.20) and excess hcl. assuming 100% yield, how many grams of 2,4-dimethyl-2-pentanol were used?

Assume that the air in this problem is an ideal gas with a composition that is 78.0% N2 and 22.0% O2. (a) How many moles of air are in a volume of one cubic meter at room temperature (293.15 K) at a pressure of one atmosphere

What does diatomic means?

Which of the following best describes why a solid has a lower entropy than that of a liquid? A) a solid is more disordered than a liquid B) a solid is more ordered than a liquid C) a solid can melt into a liquid D) most substances are solid

Why doesn't gravity pull water all the way to the center of the Earth?

What is centrifugation? Which substance is separated by this method?

All of the elements in a family or group have similar chemical properties. which of the following statements best explains why this is true? a. the elements in a group have the same number of protons in their nuclei. b.

A 124-mL bubble of hot gas initially at 212 °C and 1.80atm is emitted from an active volcano. What is the final temperature, in degrees Celcius, of the gas in the bubble outside the volcano when the final volume of the bubble is 138 mL and the

Describe the difference between a qualitative description and a quantitative description, and include an example of each.